Kincade and Blake cause a mail plane carrying a payroll to make a forced landing in the desert. When they try to get the money, prospectors Ted and Si drive them away. With the pilot shot, Ted takes over as pilot figuring another attempt will be made and this time the Sheriff will be there.
Ken not only has to fight with his brother Wally over the girls, he has to try and stop the conflict between the cattlemen and the sheepmen. It gets worse when Butch kills Judy's father.
Cowboy is hired by an archaeologist to help find "Hidden Valley", where an Indian gold treasure is supposed to be buried. Just when he finds it, the archaeologist is killed, and the cowboy his charged with his murder.
The Wrecker wrecks trains on the L & R Railroad. One of his victims is Larry Baker's father. Baker wants to find the evildoer, among a host of suspects, but it will be difficult since the Wrecker can disguise himself to look like almost anyone
Natty Bumppo, known as Hawk-Eye, is a frontiersman in the American wilderness. Together with his Indian friends Chingachgook and Uncas, he fights battles against nefarious white soldiers as well as the vicious Indian Magua and his cohorts.
Canadian Mountie Mason is sent south of the border to look for a horse thief with only a watch chain for evidence. He befriends young Andy and when Calhoun hits Andy, Mason and Calhoun fight. In the scuffle Calhoun's watch with the missing chain is dislodged. Mason then sets out to bring in Calhoun and his gang.
A young woman turns to Holmes for protection when she's menaced by an escaped killer seeking missing treasure. However, when the woman is kidnapped, Holmes and Watson must penetrate the city's criminal underworld to find her.
Jim Gray is looking for the gang leader known as the General. When Neil Denham is murdered, Jim assumes his identity. He and his pal Squint Saunders then try to join the gang. But they get captured and Jim is told he can join up only if he kills his friend.
Heading west, Ken and Bouncer end up at the Brooks ranch where Ken is to ride Tarzan in the big race. But both the Sheriff and Edmonds are after him and he must hide both himself and the horse until race time.
When Texas Grant rides into town people think the supposedly dead Jim Rawlins has returned. After a confrontation with Utah Becker, Grant learns Jim's wife, Helen, is about to lose her ranch to Becker, so he decides to stay and pose as Rawlins in an effort to help her.
The Eagle uses sky writing to make threats against a corporation. Nathan Gregory owns a travelling fairground and is thought to be the Eagle. Craig McCoy is a pilot who goes looking for the Eagle when Gregory turns up missing.
A crooked lawyer trying to cheat a young girl out of her inheritance tries to convince a sea captain to help him. Re-released in 1939 as "Phantom Submarine U-67."
Escaping from the Sheriff, Jim and Cookie decide to go straight. But when they meet their old cohort, The Blanco Kid, he tells their new boss they are outlaws and they are in trouble again.
Clint Belmet (Gary Cooper) is a bit of a firebrand and is sentenced to at least 30 days in jail, but his partners, Bill Jackson (Ernest Torrence) and Jim Bridger (Tully Marshall) talk a sympathetic Frenchwoman named Felice (Lili Damita) into telling the bumbling, drunken marshal that Clint had married her the previous night. Clint is released so he can accompany Felice on the wagon train heading west to California.
El Malo, notorious Mexican bandit, forces the Mayor of Sierra Blanca, Seth Landport, to open the safe and turn over to him 2,000 pesos, which the bandit gives a promissory note for to the Mayor. Seth rushes to the cantina where Sheriff Rankin is drinking, and the sheriff posts a reward for the capture of El Malo. El Malo informs his men of the reward. The bandit and his sidekick, Pedro, visit the cantina where Pedro resumes a former acquaintance with Dolores, while El Malo has his attention directed to a tango being performed by Carmita. El Malo pushes her dancing partner aside and finishes the dance with Carmita. Since Seth's description of him is not accurate, El May visits the sheriff and promises to deliver the wanted bandit to the cantina the following night. THe following morning, El Malo and Pedro depart, and, halting their horses on a hill, view the stagecoach being held up by a trio of outlaws.